1. British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada;
2. Vancouver Coastal Health, Vancouver, British Columbia, Canada;
3. Fraser Health, New Westminster, British Columbia, Canada;
4. Royal Columbian Hospital, New Westminster, British Columbia, Canada;
5. St. Paul’s Hospital, Vancouver, British Columbia, Canada;
6. University of British Columbia, Vancouver, British Columbia, Canada;
7. National Microbiology Laboratory, Winnipeg, Manitoba, Canada;
8. Mount Sinai Hospital, Toronto, Ontario, Canada